Last change
on this file since 668 was
444,
checked in by satin@…, 6 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
|
File size:
1.7 KB
|
Rev | Line | |
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[444] | 1 | /* General use syscall.h file. |
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| 2 | The more ports that use this file, the simpler sim/common/nltvals.def |
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| 3 | remains. */ |
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| 4 | |
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| 5 | #ifndef LIBGLOSS_SYSCALL_H |
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| 6 | #define LIBGLOSS_SYSCALL_H |
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| 7 | |
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| 8 | /* Note: This file may be included by assembler source. */ |
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| 9 | |
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| 10 | /* These should be as small as possible to allow a port to use a trap type |
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| 11 | instruction, which the system call # as the trap (the d10v for instance |
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| 12 | supports traps 0..31). An alternative would be to define one trap for doing |
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| 13 | system calls, and put the system call number in a register that is not used |
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| 14 | for the normal calling sequence (so that you don't have to shift down the |
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| 15 | arguments to add the system call number). Obviously, if these system call |
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| 16 | numbers are ever changed, all of the simulators and potentially user code |
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| 17 | will need to be updated. */ |
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| 18 | |
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| 19 | /* There is no current need for the following: SYS_execv, SYS_creat, SYS_wait, |
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| 20 | etc. etc. Don't add them. */ |
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| 21 | |
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| 22 | /* These are required by the ANSI C part of newlib (excluding system() of |
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| 23 | course). */ |
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| 24 | #define SYS_exit 1 |
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| 25 | #define SYS_open 2 |
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| 26 | #define SYS_close 3 |
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| 27 | #define SYS_read 4 |
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| 28 | #define SYS_write 5 |
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| 29 | #define SYS_lseek 6 |
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| 30 | #define SYS_unlink 7 |
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| 31 | #define SYS_getpid 8 |
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| 32 | #define SYS_kill 9 |
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| 33 | #define SYS_fstat 10 |
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| 34 | /*#define SYS_sbrk 11 - not currently a system call, but reserved. */ |
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| 35 | |
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| 36 | /* ARGV support. */ |
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| 37 | #define SYS_argvlen 12 |
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| 38 | #define SYS_argv 13 |
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| 39 | |
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| 40 | /* These are extras added for one reason or another. */ |
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| 41 | #define SYS_chdir 14 |
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| 42 | #define SYS_stat 15 |
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| 43 | #define SYS_chmod 16 |
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| 44 | #define SYS_utime 17 |
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| 45 | #define SYS_time 18 |
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| 46 | #define SYS_gettimeofday 19 |
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| 47 | #define SYS_times 20 |
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| 48 | #define SYS_link 21 |
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| 49 | |
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| 50 | /* New ARGV support. */ |
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| 51 | #define SYS_argc 22 |
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| 52 | #define SYS_argnlen 23 |
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| 53 | #define SYS_argn 24 |
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| 54 | |
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| 55 | /* SID simulator runtime reconfiguration. */ |
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| 56 | #define SYS_reconfig 25 |
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| 57 | |
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| 58 | #endif |
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